Home / 13,964.28-20,929.98-5,633.16

Finding the Fourth Proportional to 13,964.28, 20,929.98 and 5,633.16

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Solution

The fourth proportional to 13,964.28, 20,929.98 and 5,633.16 is: 8,443.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,964.28 : 20,929.98 = 5,633.16 : x
  2. Step 2: Convert to fraction form
    13,964.28/20,929.98 = 5,633.16/x
  3. Step 3: Cross multiply
    13,964.28x = 20,929.98 × 5,633.16
  4. Step 4: Simplify right side
    13,964.28x = 117,901,926.14
  5. Step 5: Solve for x
    x = 117,901,926.14/13,964.28
  6. Step 6: Final answer
    x = 8,443.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.